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2191 commits

Author SHA1 Message Date
Robert Ransom
4752b34879 Log at info level when disabling SSLv3 2012-01-05 12:28:56 -05:00
Nick Mathewson
db78fe4589 Disable SSLv3 when using a not-up-to-date openssl 
This is to address bug 4822, and CVE-2011-4576.
 2012-01-05 12:28:55 -05:00
Roger Dingledine
ff03347579 note some dead code. if i'm right, should this be removed? 2012-01-05 05:37:06 -05:00
Sebastian Hahn
98959f63ac Disallow disabling DisableDebuggerAttachment on runnning Tor 
Also, have tor_disable_debugger_attach() return a tristate of
success/failure/don't-know-how , and only log appropriately.
 2012-01-04 15:09:02 -05:00
Sebastian Hahn
5d9be49540 Fix a check-spaces violation in compat.c 
Also fix a comment typo
 2011-12-30 23:30:57 +01:00
Nick Mathewson
9f06ec0c13 Add interface enumeration based on SIOCGIFCONF for older unixes 2011-12-28 16:34:16 -05:00
Nick Mathewson
5d44a6b334 Multicast addresses, if any were configured, would not be good if addrs 2011-12-28 16:34:16 -05:00
Nick Mathewson
aa529f6c32 Use getifaddrs, not connect+getsockname, to find our address 
This resolves bug1827, and lets us avoid freaking people out.
Later, we can use it to get a complete list of our interfaces.
 2011-12-28 16:34:16 -05:00
Nick Mathewson
78f43c5d03 Require openssl 1.0.0a for using openssl's ctr-mode implementation 
Previously we required 1.0.0, but there was a bug in the 1.0.0 counter
mode. Found by Pascal. Fixes bug 4779.

A more elegant solution would be good here if somebody has time to code
one.
 2011-12-27 20:31:23 -05:00
Nick Mathewson
85d7811456 Merge remote-tracking branch 'origin/maint-0.2.2' 2011-12-26 17:58:51 -05:00
Sebastian Hahn
da876aec63 Provide correct timeradd/timersup replacements 
Bug caught and patch provided by Vektor. Fixes bug 4778.t
 2011-12-25 23:19:08 +01:00
Kamran Riaz Khan
a1c1fc72d1 Prepend cwd for relative config file paths. 
Modifies filenames which do not start with '/' or '.' on non-Windows
platforms; uses _fullpath on Windows.
 2011-12-22 10:17:48 -05:00
George Kadianakis
d05bc02192 Add an informative header on the 'keys/dynamic_dh_params' file. 2011-12-19 16:06:22 +01:00
Robert Ransom
d688a40a0e Don't crash on startup of a dormant relay 
If a relay is dormant at startup, it will call init_keys before
crypto_set_tls_dh_prime.  This is bad.  Let's make it not so bad, because
someday it *will* happen again.
 2011-12-12 11:25:55 -08:00
Sebastian Hahn
0f8026ec23 Some more check-spaces stuff 
This re-applies a check-spaces fix that was part of
7920ea55b8 and got reverted along with the
rest of that commit in df1f72329a.
 2011-12-08 08:47:09 +01:00
Nick Mathewson
71ecfaa52f indent; add comment 
This re-applies 40a87c4c08 which got
accidentally reverted in 75134c6c86.
Thanks asn for spotting this.
 2011-12-08 08:45:24 +01:00
Sebastian Hahn
ee8b4b4e6e appease check-spaces 
This re-applies f77f9bddb8 which got
accidentally reverted in 53f535aeb8.
Thanks asn for spotting this.
 2011-12-08 08:43:32 +01:00
Nick Mathewson
0ebcf345ce Revert "Refactor the SSL_set_info_callback() callbacks." 
This reverts commit 69a821ea1c.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
9727d21f68 Revert "Detect renegotiation when it actually happens." 
This reverts commit 4fd79f9def.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
e09dd43ab3 Revert "Detect and deny excess renegotiations attempts." 
This reverts commit ecd239e3b5.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
021ff31ba6 Revert "Get rid of tor_tls_block_renegotiation()." 
This reverts commit 340809dd22.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
fa74af0cfa Revert "Also handle needless renegotiations in SSL_write()." 
This reverts commit e2b3527106.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
45c46129ed Revert "Fix issues pointed out by nickm." 
This reverts commit e097bffaed.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
616b60cef3 Revert "Use callback-driven approach to block renegotiations." 
This reverts commit 406ae1ba5a.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
53f535aeb8 Revert "appease check-spaces" 
This reverts commit f77f9bddb8.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
df1f72329a Revert "Refactor tor_event_base_once to do what we actually want" 
This reverts commit 7920ea55b8.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
17880e4c0a Revert "Fix some wide lines in tortls.c" 
This reverts commit e8dde3aabd.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
e83e720c8b Revert "use event_free() wrapper; fix bug 4582" 
This reverts commit 9a88c0cd32.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
acc1806eb8 Revert "Don't schedule excess_renegotiations_callback unless it's set" 
This reverts commit 617617e21a.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
75134c6c86 Revert "indent; add comment" 
This reverts commit 40a87c4c08.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
135a5102a3 Revert "Make pending libevent actions cancelable" 
This reverts commit aba25a6939.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
50fd99d7ef Revert "Set renegotiation callbacks immediately on tls inititation" 
This reverts commit e27a26d568.
 2011-12-06 19:49:19 -05:00
Nick Mathewson
d9edee3a3b Merge remote-tracking branch 'origin/maint-0.2.2' 2011-12-02 16:10:17 -05:00
Nick Mathewson
2b5a035604 tor_accept_socket() should take tor_addr_t for listener arg 
Fixes bug 4535; bugfix on 0.2.2.28-beta; found by "troll_un"
 2011-12-02 16:09:16 -05:00
Nick Mathewson
0920cd02f4 Merge remote-tracking branch 'origin/maint-0.2.2' 2011-12-02 15:38:29 -05:00
Nick Mathewson
b7015603fa Fix bug 4530; check return val of tor_addr_lookup correctly 
Fix on 0.2.1.5-alpha; reported by troll_un
 2011-12-02 15:37:24 -05:00
Sebastian Hahn
95af91565b Work around a false positive in Coverity. 
Fixes cid 501 and 502.
 2011-12-02 06:16:57 +01:00
George Kadianakis
02708b7d80 Free the global DH parameters in crypto_global_cleanup(). 2011-11-30 13:17:47 -05:00
George Kadianakis
a708e85236 Move crypto_global_cleanup() to the bottom of crypto.c. 2011-11-30 13:17:39 -05:00
Nick Mathewson
29db095a35 Merge remote-tracking branch 'origin/maint-0.2.2' 2011-11-30 12:41:08 -05:00
Linus Nordberg
f786307ab7 First chunk of support for bridges on IPv6 
Comments below focus on changes, see diff for added code.

New type tor_addr_port_t holding an IP address and a TCP/UDP port.

New flag in routerinfo_t, ipv6_preferred.  This should go in the
node_t instead but not now.

Replace node_get_addr() with
- node_get_prim_addr() for primary address, i.e. IPv4 for now
- node_get_pref_addr() for preferred address, IPv4 or IPv6.

Rename node_get_addr_ipv4h() node_get_prim_addr_ipv4h() for
consistency.  The primary address will not allways be an IPv4 address.
Same for node_get_orport() -> node_get_prim_orport().

Rewrite node_is_a_configured_bridge() to take all OR ports into account.

Extend argument list to extend_info_from_node and
extend_info_from_router with a flag indicating if we want to use the
routers primary address or the preferred address.  Use the preferred
address in as few situtations as possible for allowing clients to
connect to bridges over IPv6.
 2011-11-30 11:55:45 -05:00
Nick Mathewson
8bb23c7def Merge branch 'bug4587_v2' 2011-11-29 19:15:40 -05:00
Nick Mathewson
e27a26d568 Set renegotiation callbacks immediately on tls inititation 
This way, we can't miss a renegotiation attempt in a v2 handshake,
or miss excess renegotiation attempts.  Partial fix for bug 4587.
 2011-11-29 19:10:19 -05:00
Nick Mathewson
da6c136817 Merge remote-tracking branch 'asn-mytor/bug4548_take2' 2011-11-29 18:30:41 -05:00
Nick Mathewson
aba25a6939 Make pending libevent actions cancelable 
This avoids a dangling pointer issue in the 3412 code, and should
fix bug 4599.
 2011-11-29 17:08:29 -05:00
Nick Mathewson
40a87c4c08 indent; add comment 2011-11-27 09:24:41 -05:00
Nick Mathewson
e665ec6409 Merge remote-tracking branch 'asn/bug4584' 2011-11-27 09:18:55 -05:00
Nick Mathewson
617617e21a Don't schedule excess_renegotiations_callback unless it's set 
Partial fix for bug 4587; reported by "frosty_un".
 2011-11-27 08:21:59 -05:00
George Kadianakis
b42ff6545a Use random bytes as our certificate serial numbers. 
Instead of using time(NULL) in our certificate serial numbers, use
eight random bytes as suggested in proposal 179.
 2011-11-27 08:20:17 +01:00
George Kadianakis
055d6c01ff Write dynamic DH parameters to a file. 
Instead of only writing the dynamic DH prime modulus to a file, write
the whole DH parameters set for forward compatibility. At the moment
we only accept '2' as the group generator.

The DH parameters gets stored in base64-ed DER format to the
'dynamic_dh_params' file.
 2011-11-26 19:29:57 +01:00